Bill Cypher, Dealmaker

Hexproof
Bill Cypher, Dealmaker cannot block.
Bill Cypher, Dealmaker cannot attack.
Choose up to 12 creatures.
Whenever an opponent deals damage to any target,
a player of your choice
sacrifices one of the choosen creatures he or she controls.
When no more of the choosen creatures are on the battlefield, you win the game.
"Its a Deal!"